# The degree and radian measure of the angle between the hour-hand and the minute-hand of a clock at tweny minutes past seven is Option 1) Option 2) Option 3) Option 4)

Sexagesimal System -

In this system, an angle is measured in degrees, minutes and seconds.

- wherein

Angle made by hour hand and minute hand is approx  degrees for past seven and two minute total length will be approx 16.6{ because there are 60 gaps and each gap having   measurement

total angle 16.6 X 6 = 99.6

[ the hour hand rotates through an angle of  in one hour or  in one minute.]

Option 1)

This option is incorrect.

Option 2)

This option is incorrect.

Option 3)

This option is incorrect.

Option 4)

This option is correct.

Sexagesimal System -

In this system, an angle is measured in degrees, minutes and seconds.

- wherein

Angle made by hour hand and minute hand is approx  degrees for past seven and two minute total length will be approx 16.6{ because there are 60 gaps and each gap having   measurement

total angle 16.6 X 6 = 99.6

[ the hour hand rotates through an angle of  in one hour or  in one minute.]

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